package com.lagou.edu.dao.impl;

import com.lagou.edu.annotation.Autowired;
import com.lagou.edu.annotation.Service;
import com.lagou.edu.pojo.Account;
import com.lagou.edu.dao.AccountDao;
import com.lagou.edu.utils.ConnectionUtils;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;

/**
 * @author 应癫
 */
@Service("AccountDao")
public class JdbcTemplateDaoImpl implements AccountDao {

    @Autowired
    private ConnectionUtils connectionUtils;

    public void setConnectionUtils(ConnectionUtils connectionUtils) {
        this.connectionUtils = connectionUtils;
    }

    @Override
    public Account queryAccountByCardNo(String cardNo) throws Exception {
//        String sql = "select * from account where cardNo=?";
//        return jdbcTemplate.queryForObject(sql, new RowMapper<Account>() {
//            @Override
//            public Account mapRow(ResultSet resultSet, int i) throws SQLException {
//                Account account = new Account();
//                account.setName(resultSet.getString("name"));
//                account.setCardNo(resultSet.getString("cardNo"));
//                account.setMoney(resultSet.getInt("money"));
//                return account;
//            }
//        }, cardNo);

        //从连接池获取连接
//        Connection con = DruidUtils.getInstance().getConnection();
        Connection con =connectionUtils.getCurrentThreadConn();
        String sql = "select * from account where cardNo=?";
        PreparedStatement preparedStatement = con.prepareStatement(sql);
        preparedStatement.setString(1,cardNo);
        ResultSet resultSet = preparedStatement.executeQuery();
        Account account = new Account(); while(resultSet.next()) {
            account.setCardNo(resultSet.getString("cardNo")); account.setName(resultSet.getString("name")); account.setMoney(resultSet.getInt("money"));
        }
        resultSet.close();
        preparedStatement.close();
//        con.close();
        return account;
    }

    @Override
    public int updateAccountByCardNo(Account account) throws Exception {
//        String sql = "update account set money=? where cardNo=?";
//        return jdbcTemplate.update(sql,account.getMoney(),account.getCardNo());
        //从连接池获取连接
//        Connection con = DruidUtils.getInstance().getConnection();
        Connection con =connectionUtils.getCurrentThreadConn();
        String sql = "update account set money=? where cardNo=?";
        PreparedStatement preparedStatement = con.prepareStatement(sql);
        preparedStatement.setInt(1,account.getMoney());
        preparedStatement.setString(2,account.getCardNo());

        int i = preparedStatement.executeUpdate();
        preparedStatement.close();
//        con.close();
        return i;
    }

    public ConnectionUtils getConnectionUtils() {
        return connectionUtils;
    }
}
